Cakewalk in Tree Land

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Mr Sheikh and Miss S live in a country named Tree Land. Cities in Tree Land are connected via bi-directional roads. All pair of cities have unique path between them. Mr Sheikh and Miss S are crazy about cakes. They love travelling to different cities to taste varieties of cakes. But the problem is they travel a lot for their respective jobs, so it is not necessary that they are in same cities all

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solution.cppC++17

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